I've personally never done this before SimonNeil, but I would think they give you just enough "free" time to get you on the call, say like 3-5 mins, but then you end up spending well beyond that because all one can possibly effectively do in that short a period of time is introduce themselves, LOL! So within that allotted "free" time you don't really get accomplished anything effective/helpful toward why you made the call in the first place; they'd have to ask you enough questions and have you answer them to be able to get a good "feel" for your issue/concern I would think you'd likely go considerably over the "free" time; so be mindful/careful of that going in.